Robert or Bob Blackburn may refer to:

Law and politics Robert Blackburn (politician) (1828–1894), Canadian politician Robert Blackburn, Lord Blackburn (1864–1944), Scottish lawyer and judge Robert E. Lee Blackburn (1870–1935), U.S. representative from Kentucky Robert E. Blackburn (born 1950), U.S. federal judge Robert Blackburn (lawyer) (born 1952), English professor of constitutional law at King's College London

Sports Robert Blackburn (footballer) (1885–after 1909), Scottish football player and manager Bob Blackburn (announcer) (1924–2010), American basketball play-by-play announcer Bob Blackburn (ice hockey) (1938–2016), Canadian ice hockey player

Others Robert Blackburn (aviation pioneer) (1885–1955), British aviation pioneer, founder of Blackburn Aircraft Robert McGrady Blackburn (1919–2002), American bishop of the United Methodist Church Robert H. Blackburn (1919–2019), Canadian academic librarian Robert Blackburn (artist) (1920–2003), African-American artist, teacher and printmaker Robert Blackburn (educationalist) (1927–1990), Irish educationist and IBO deputy director general

See also Robert Blackburne, English Catholic plotter